diff --git a/gramps/gen/db/base.py b/gramps/gen/db/base.py
index e3a51afa9..5b37a3527 100644
--- a/gramps/gen/db/base.py
+++ b/gramps/gen/db/base.py
@@ -700,12 +700,6 @@ class DbReadBase:
         """
         raise NotImplementedError
 
-    def get_reference_map_cursor(self):
-        """
-        Returns a reference to a cursor over the reference map
-        """
-        raise NotImplementedError
-
     def get_reference_map_primary_cursor(self):
         """
         Returns a reference to a cursor over the reference map primary map
@@ -1226,16 +1220,6 @@ class DbReadBase:
         """
         raise NotImplementedError
 
-    def set_redo_callback(self, callback):
-        """
-        Define the callback function that is called whenever an redo operation
-        is executed.
-
-        The callback function receives a single argument that is a text string
-        that defines the operation.
-        """
-        raise NotImplementedError
-
     def set_researcher(self, owner):
         """
         Set the information about the owner of the database.
@@ -1248,16 +1232,6 @@ class DbReadBase:
         """
         raise NotImplementedError
 
-    def set_undo_callback(self, callback):
-        """
-        Define the callback function that is called whenever an undo operation
-        is executed.
-
-        The callback function receives a single argument that is a text string
-        that defines the operation.
-        """
-        raise NotImplementedError
-
     def get_dbid(self):
         """
         A unique ID for this database on this computer.
@@ -1777,12 +1751,6 @@ class DbWriteBase(DbReadBase):
         """
         raise NotImplementedError
 
-    def sort_surname_list(self):
-        """
-        Sort the list of surnames contained in the database by locale ordering.
-        """
-        raise NotImplementedError
-
     def transaction_begin(self, transaction):
         """
         Prepare the database for the start of a new transaction.
diff --git a/gramps/plugins/database/bsddb_support/read.py b/gramps/plugins/database/bsddb_support/read.py
index cb5d1f99b..4e2eb67ae 100644
--- a/gramps/plugins/database/bsddb_support/read.py
+++ b/gramps/plugins/database/bsddb_support/read.py
@@ -1488,26 +1488,6 @@ class DbBsddbRead(DbReadBase, Callback):
         self.note_prefix = self._validated_id_prefix(val, "N")
         self.nid2user_format = self.__id2user_format(self.note_prefix)
 
-    def set_undo_callback(self, callback):
-        """
-        Define the callback function that is called whenever an undo operation
-        is executed.
-
-        The callback function receives a single argument that is a text string
-        that defines the operation.
-        """
-        self.undo_callback = callback
-
-    def set_redo_callback(self, callback):
-        """
-        Define the callback function that is called whenever an redo operation
-        is executed.
-
-        The callback function receives a single argument that is a text string
-        that defines the operation.
-        """
-        self.redo_callback = callback
-
     def get_surname_list(self):
         """
         Return the list of locale-sorted surnames contained in the database.
diff --git a/gramps/plugins/database/bsddb_support/test/db_test.py b/gramps/plugins/database/bsddb_support/test/db_test.py
index 87a84eda9..3930e14cc 100644
--- a/gramps/plugins/database/bsddb_support/test/db_test.py
+++ b/gramps/plugins/database/bsddb_support/test/db_test.py
@@ -104,7 +104,6 @@ class DbTest(unittest.TestCase):
         "get_raw_repository_data",
         "get_raw_source_data",
         "get_raw_tag_data",
-        "get_reference_map_cursor",
         "get_reference_map_primary_cursor",
         "get_reference_map_referenced_cursor",
         "get_repo_bookmarks",
@@ -173,10 +172,8 @@ class DbTest(unittest.TestCase):
         "set_source_id_prefix",
         # Other set methods:
         "set_mediapath",
-        "set_redo_callback",
         "set_researcher",
         "set_save_path",
-        "set_undo_callback",
         "version_supported",
         ]
 
@@ -219,7 +216,6 @@ class DbTest(unittest.TestCase):
         "set_auto_remove",
         "set_default_person_handle",
         "set_name_group_mapping",
-        "sort_surname_list",
         "transaction_begin",
         "transaction_commit",
         "update_reference_map",
diff --git a/gramps/plugins/database/bsddb_support/write.py b/gramps/plugins/database/bsddb_support/write.py
index 759d2ee30..e60d2e9fb 100644
--- a/gramps/plugins/database/bsddb_support/write.py
+++ b/gramps/plugins/database/bsddb_support/write.py
@@ -485,13 +485,6 @@ class DbBsddb(DbBsddbRead, DbWriteBase, UpdateCallback):
     # the referenced_handle index: the referenced_handle
     # the main index is unique, the others allow duplicate entries.
 
-    @catch_db_error
-    def get_reference_map_cursor(self):
-        """
-        Returns a reference to a cursor over the reference map
-        """
-        return DbBsddbAssocCursor(self.reference_map, self.txn)
-
     @catch_db_error
     def get_reference_map_primary_cursor(self):
         """
@@ -1844,9 +1837,6 @@ class DbBsddb(DbBsddbRead, DbWriteBase, UpdateCallback):
                 grouppar = group
             self.emit('person-groupname-rebuild', (name, grouppar))
 
-    def sort_surname_list(self):
-        self.surname_list.sort(key=glocale.sort_key)
-
     @catch_db_error
     def build_surname_list(self):
         """
diff --git a/gramps/plugins/database/dummydb.py b/gramps/plugins/database/dummydb.py
index 5f1608460..a87d4848a 100644
--- a/gramps/plugins/database/dummydb.py
+++ b/gramps/plugins/database/dummydb.py
@@ -1008,14 +1008,6 @@ class DummyDb(M_A_M_B("NewBaseClass", (DbReadBase, Callback, object,), {})):
         LOG.warn("handle %s does not exist in the dummy database" % handle)
         raise HandleError('Handle %s not found' % handle.decode('utf-8'))
 
-    def get_reference_map_cursor(self):
-        """
-        Returns a reference to a cursor over the reference map
-        """
-        if not self.db_is_open:
-            LOG.warn("database is closed")
-        return []
-
     def get_reference_map_primary_cursor(self):
         """
         Returns a reference to a cursor over the reference map primary map
@@ -1666,17 +1658,6 @@ class DummyDb(M_A_M_B("NewBaseClass", (DbReadBase, Callback, object,), {})):
         if not self.db_is_open:
             LOG.warn("database is closed")
 
-    def set_redo_callback(self, callback):
-        """
-        Define the callback function that is called whenever an redo operation
-        is executed.
-
-        The callback function receives a single argument that is a text string
-        that defines the operation.
-        """
-        if not self.db_is_open:
-            LOG.warn("database is closed")
-
     def set_researcher(self, owner):
         """
         Set the information about the owner of the database.
@@ -1691,17 +1672,6 @@ class DummyDb(M_A_M_B("NewBaseClass", (DbReadBase, Callback, object,), {})):
         if not self.db_is_open:
             LOG.warn("database is closed")
 
-    def set_undo_callback(self, callback):
-        """
-        Define the callback function that is called whenever an undo operation
-        is executed.
-
-        The callback function receives a single argument that is a text string
-        that defines the operation.
-        """
-        if not self.db_is_open:
-            LOG.warn("database is closed")
-
     def get_dbid(self):
         """
         A unique ID for this database on this computer.